White Electronic Designs WMS512K8BV-XXXE 512Kx8 MONOLITHIC SRAM FEATURES Access Times 15, 17, 20ns Revolutionary, Center Power/Ground Pinout JEDEC Approved • 3.3V ± 10% Power Supply • 36 lead Ceramic SOJ (Package 100) BiCMOS: • Radiation Tolerant with Epitaxial Layer Die • 36 lead Ceramic Flat Pack (Package 226) Low Voltage Operation: Evolutionary, Corner Power/Ground Pinout JEDEC Approved Commercial and Industrial Temperature Ranges • 32 pin Ceramic DIP (Package 300) TTL Compatible Inputs and Outputs • 32 lead Ceramic SOJ (Package 101) Fully Static Operation: • No clock or refresh required. • 32 lead Ceramic Flat Pack (Package 220) Three State Output This product is subject to change without notice. REVOLUTIONARY PINOUT EVOLUTIONARY PINOUT 32 DIP 32 CSOJ (DE) 32 FLAT PACK (FE) 36 FLAT PACK 36 CSOJ TOP VIEW A0 A1 A2 A3 A4 CS# I/O0 I/O1 VCC GND I/O2 I/O3 WE# A5 A6 A7 A8 A9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 TOP VIEW A18 A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 GND NC A18 A17 A16 A15 OE# I/O7 I/O6 GND VCC I/O5 I/O4 A14 A13 A12 A11 A10 NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC A15 A17 WE# A13 A8 A9 A11 OE# A10 CS# I/O7 I/O6 I/O5 I/O4 I/O3 PIN DESCRIPTION A0-18 Address Inputs I/O0-7 Data Input/Output CS# Chip Select OE# Output Enable WE# Write Enable VCC Power Supply GND Ground White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WMS512K8BV-XXXE ABSOLUTE MAXIMUM RATINGS Parameter Operating Temperature Storage Temperature Signal Voltage Range to GND Junction Temperature Supply Voltage Symbol TA TSTG VG TJ VCC Min -40 -65 -0.5 -0.5 Max +85 +150 4.6 150 4.6 TRUTH TABLE Unit °C °C V °C V CS# H L L L OE# X L X H RECOMMENDED OPERATING CONDITIONS Parameter Supply Voltage Input High Voltage Input Low Voltage Operating Temperature Symbol VCC VIH VIL TA Min 3.0 2.2 -0.3 -40 Max 3.6 VCC + 0.3 +0.8 +85 WE# X H L H MODE Standby Read Write Out Disable DATA I/O High Z Data Out Data In High Z POWER Standby Active Active Acvive CAPACITANCE TA = +25°C Unit V V V °C Parameter Input capacitance Output capacitance Symbol CIN Conditions VIN = 0 V, f = 1.0 MHz Max 12 Unit pF COUT VOUT = 0 V, f = 1.0 MHz 12 pF This parameter is guaranteed by design but not tested. DC CHARACTERISTICS - CMOS COMPATIBLE VCC = 3.3V, GND = 0V, -40°C ≤TA ≤ 85°C Parameter Input Leakage Current Output Leakage Current Operating Supply Current Standby Current Output Low Voltage Output High Voltage Symbol ILI ILO ICC ISB VOL VOH Conditions VCC = 5.5, VIN = GND to VCC CS# = VIH, OE# = VIH, VOUT = GND to VCC CS# = VIH, OE# = VIH, f = 5MHz, VCC = 5.5 CS# = VIH, OE# = VIH, f = 5MHz, VCC = 5.5 IOL = 8mA IOH = -4.0mA Min 2.4 Max 10 10 120 15 0.4 Unit µA µA mA mA V V NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WMS512K8BV-XXXE AC CHARACTERISTICS VCC = 3.3V, GND = 0V, -40°C ≤ TA < 85°C Parameter Read Cycle Symbol Read Cycle Time Address Access Time Output Hold from Address Change Chip Select Access Time Output Enable to Output Valid Chip Select to Output in Low Z Output Enable to Output in Low Z Chip Disable to Output in High Z Output Disable to Output in High Z tRC tAA tOH tACS tOE tCLZ1 tOLZ1 tCHZ1 tOHZ1 -15 Min 15 -17 Max Min 17 Max 15 0 -20 Max 17 0 20 0 15 7 2 0 Min 20 17 8 2 0 20 10 2 0 7 7 8 8 10 10 Unit ns ns ns ns ns ns ns ns ns 1. This parameter is guaranteed by design but not tested. AC CHARACTERISTICS VCC = 3.3V, GND = 0V, -40°C ≤ TA < 85°C Parameter Write Cycle Symbol Write Cycle Time Chip Select to End of Write Address Valid to End of Write Data Valid to End of Write Write Pulse Width Address Setup Time Address Hold Time Output Active from End of Write Write Enable to Output in High Z Data Hold Time tWC tCW tAW tDW tWP tAS tAH tOW1 tWHZ1 tDH -15 Min 15 10 10 8 12 0 0 2 -17 Max Min 17 12 12 9 14 0 0 3 8 -20 Max Min 20 14 14 10 14 0 0 3 Max 8 0 0 9 0 Unit ns ns ns ns ns ns ns ns ns ns 1. This parameter is guaranteed by design but not tested. AC TEST CIRCUIT AC TEST CONDITIONS Parameter Input Pulse Levels Input Rise and Fall Input and Output Reference Level Output Timing Reference Level IOL Current Source Unit V ns V V Notes: VZ is programmable from -2V to +7V. IOL & IOH programmable from 0 to 16mA. Tester Impedance Z0 = 75Ω. VZ is typically the midpoint of VOH and VOL. IOL & IOH are adjusted to simulate a typical resistive load circuit. ATE tester includes jig capacitance. VZ ≈ 1.5V (Bipolar Supply) D.U.T. Ceff = 50 pF Typ VIL = 0, VIH = 2.5 5 1.5 1.5 IOH Current Source White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 3 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WMS512K8BV-XXXE TIMING WAVEFORM - READ CYCLE tRC ADDRESS tAA tRC CS# ADDRESS tAA tACS tOH DATA I/O tCHZ tCLZ PREVIOUS DATA VALID OE# DATA VALID tOE tOHZ tOLZ READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH) DATA I/O DATA VALID HIGH IMPEDANCE READ CYCLE 2 (WE# = VIH) WRITE CYCLE - WE# CONTROLLED tWC ADDRESS tAW tAH tCW CS# tAS tWP WE# tOW tDW tWHZ DATA I/O tDH DATA VALID WRITE CYCLE 1, WE# CONTROLLED WRITE CYCLE - CS# CONTROLLED tWC ADDRESS tAW tAS tAH tCW CS# tWP WE# tDW DATA I/O tDH DATA VALID WRITE CYCLE 2, CS# CONTROLLED White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WMS512K8BV-XXXE PACKAGE 100: 36 LEAD, CERAMIC SOJ 4.7 (0.184) MAX 23.37 (0.920) 0.25 (0.010) 0.2 (0.008) 0.05 (0.002) 11.23 (0.442) 0.30 (0.012) 0.89 (0.035) Radius TYP 9.55 (0.376) 0.25 (0.010) 1.27 (0.050) 0.25 (0.010) PIN 1 IDENTIFIER 1.27 (0.050) TYP 21.6 (0.850) TYP ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES PACKAGE 101: 32 LEAD, CERAMIC SOJ ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WMS512K8BV-XXXE PACKAGE 220: 32 LEAD, CERAMIC FLAT PACK ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES PACKAGE 226: 36 LEAD, CERAMIC FLAT PACK 23.37 (0.920) 0.25 (0.010) PIN 1 IDENTIFIER 2.72 (0.107) MAX 12.95 (0.510) 0.13 (0.005) 12.7 (0.500) 0.5 (0.020) 5.1 (0.200) 0.25 (0.010) 0.43 (0.017) 0.05 (0.002) 3.8 (0.150) TYP 1.27 (0.050) TYP 0.127 (0.005) 0.05 (0.002) 21.59 (0.850) TYP 32.64 (1.285) TYP 38.1 (1.50) 0.4 (0.015) ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 6 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WMS512K8BV-XXXE PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 7 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WMS512K8BV-XXXE ORDERING INFORMATION W M S 512K 8 B V - XXX X X E X LEAD FINISH: Blank = Gold plated leads A = Solder dip leads E = Epitaxial Layer DEVICE GRADE: I = Industrial C = Commercial -40°C to +85°C 0°C to +70°C PACKAGE: C = 32 Pin Ceramic .600" DIP (Package 300) DE = 32 Lead Ceramic SOJ (Package 101) Evolutionary DJ = 36 Lead Ceramic SOJ (Package 100) F = 36 Lead Ceramic Flat Pack (Package 226) FE = 32 Lead Ceramic Flat Pack (Package 220) ACCESS TIME (ns) Low Voltage Supply 3.3V ± 10% BiCMOS ORGANIZATION, 512K x 8 SRAM MONOLITHIC WHITE ELECTRONIC DESIGNS CORP. White Electronic Designs Corp. reserves the right to change products or specifications without notice. December 1999 Rev. 3 8 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com